ST Racing Concepts Traxxas TRX-4M Brass Differential Cover. This optional differential cover is intended for the Traxxas TRX-4M. Made from brass, this cover is CNC machined for a perfect fit and finish.

The Samix TRX-4M Stainless Steel Pivot Ball Set is a great option to add style to your Traxxas TRX-4M. Made from stainless steel, these are designed to increase durability and be corrosion resistant for a long lasting finish.

The Samix TRX-4M Brass Hex Adapter are a great option to lower the center of gravity in your mini crawler.

The Samix TRX-4M Brass Shock Cups are a great option to lower the CG in your micro crawler. Made from brass, each weigh 6g and are slotless to keep them from falling off while using a soft spring.